RT Journal Article SR Electronic T1 Progressive licensing needs progressive open debate JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1801 OP 1801 DO 10.1503/cmaj.070703 VO 176 IS 13 A1 Hébert, Paul C. YR 2007 UL http://www.cmaj.ca/content/176/13/1801.abstract